Símbolos e formulas químicas

Símbolos e formulas químicas

8th Grade

10 Qs

quiz-placeholder

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Símbolos e formulas químicas

Símbolos e formulas químicas

Assessment

Quiz

Architecture, Chemistry

8th Grade

Practice Problem

Medium

Created by

adolfina sequeira

Used 29+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual o símbolo químico da Prata?

Ag

AG

ag

Pa

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quantos átomos de carbono existem na molécula de dióxido de carbono?

2

3

1

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual o nome do composto?

Metano

Água

Oxigénio

Amoníaco

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O3 é o símbolo químico do Oxigénio.

Verdadeiro

Falso

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3 H2 representa...

... 3 átomos de hidrogénio.

... 3 moléculas de hidrogénio.

...6 átomos de hidrogénio.

6 moléculas de hidrogénio.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Representa simbolicamente 3 moléculas de água

3H2O

3HO

H3O

OH2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a fórmula química do metano?

C2H2

CH4

C2H6

NH3

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